Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Monarch Oil Field | Oilfield | 928 | Fallon | 46 30 48 N | 104 22 50 W |
| Mosby Dome Cat Creek Oil Field | Oilfield | 749 | Petroleum | 47 02 60 N | 107 55 18 W |
| Mosser Dome Oil Field | Oilfield | 1322 | Yellowstone | 45 32 43 N | 108 43 49 W |
| North Pine Oil Field | Oilfield | 742 | Dawson | 46 53 21 N | 104 42 20 W |
| Northwest Sumatra Oil Field | Oilfield | 948 | Rosebud | 46 42 33 N | 107 41 17 W |
| Oil Hills | Oilfield | 1942 | Park | 46 10 43 N | 110 40 03 W |
| Pennel Oil Field | Oilfield | 919 | Fallon | 46 23 46 N | 104 15 14 W |
| Prairie Dell Oil and Gas Field | Oilfield | 1071 | Toole | 48 38 33 N | 111 53 15 W |
| Ragged Point Oil Field | Oilfield | 882 | Musselshell | 46 44 23 N | 107 58 14 W |
| Rattlesnake Butte Oil Field | Oilfield | 982 | Petroleum | 46 52 20 N | 108 10 02 W |
| Reagan Camp Oil Field | Oilfield | 1252 | Glacier | 48 58 31 N | 112 30 46 W |
| S W Kevin Gas Field | Oilfield | 1028 | Toole | 48 39 27 N | 111 58 06 W |
| Soap Creek Oilfield | Oilfield | 1102 | Big Horn | 45 16 22 N | 107 46 25 W |
| South Pine Oil Field | Oilfield | 797 | Wibaux | 46 44 29 N | 104 33 42 W |
| South Wills Creek Oil Field | Oilfield | 892 | Fallon | 46 33 22 N | 104 22 40 W |
| Stensvad Oil Field | Oilfield | 892 | Rosebud | 46 43 50 N | 107 46 38 W |
| Tiger Ridge Gas Field | Oilfield | 789 | Hill | 48 32 03 N | 109 48 46 W |
| Utopia Gas and Oil Field | Oilfield | 1038 | Liberty | 48 36 53 N | 111 11 01 W |
| West Dome Cat Creek Oil Field | Oilfield | 845 | Petroleum | 47 04 02 N | 107 59 50 W |
| Whitlash Gas and Oil Field | Oilfield | 1145 | Liberty | 48 57 42 N | 111 14 30 W |
| ABC Little League Field | Park | 625 | Dawson | 47 06 48 N | 104 42 37 W |
| Abel Park | Park | 1071 | Pondera | 48 10 34 N | 111 57 23 W |
| Absaroka-Beartooth Wilderness Historical Marker | Park | 1504 | Park | 45 17 45 N | 110 50 05 W |
| Ackley Lake State Park | Park | 1321 | Judith Basin | 46 56 50 N | 109 56 13 W |
| Adobetown Historical Marker | Park | 1684 | Madison | 45 19 05 N | 111 59 03 W |
| After the Roundup Historical Marker | Park | 869 | Custer | 46 25 12 N | 105 04 29 W |
| Airfield Park | Park | 647 | Lincoln | 48 24 10 N | 115 32 09 W |
| Airport Fields | Park | 892 | Flathead | 48 10 48 N | 114 18 29 W |
| Altenbrand Park | Park | 1293 | Gallatin | 45 51 38 N | 111 19 40 W |
| Alumni Field | Park | 1745 | Silver Bow | 46 00 42 N | 112 33 38 W |
| Alumni Park | Park | 639 | Valley | 48 11 56 N | 106 38 15 W |
| American Legion Park | Park | 1844 | Beaverhead | 45 37 05 N | 113 27 03 W |
| American Legion Park | Park | 794 | Hill | 48 32 38 N | 109 40 03 W |
| American Legion Park | Park | 1089 | Ravalli | 46 14 42 N | 114 09 28 W |
| American Legion Park | Park | 596 | Roosevelt | 48 07 04 N | 105 12 04 W |
| Anaconda Historical Marker | Park | 1582 | Deer Lodge | 46 07 38 N | 112 55 13 W |
| Anaconda Smelter Stack State Park | Park | 1756 | Deer Lodge | 46 06 40 N | 112 54 48 W |
| Anderson Park | Park | 977 | Missoula | 46 51 39 N | 113 59 50 W |
| Andy Anderson Park | Park | 1010 | Toole | 48 30 10 N | 111 51 23 W |
| Angevine Park Picnic Area | Park | 1028 | Missoula | 46 53 48 N | 113 45 51 W |
| Antelope Park | Park | 985 | Rosebud | 45 54 45 N | 106 37 37 W |
| Arapooish Recreation Park | Park | 876 | Big Horn | 45 45 17 N | 107 34 02 W |
| Archie Roe Field | Park | 891 | Flathead | 48 10 45 N | 114 18 43 W |
| Armory Park | Park | 939 | Flathead | 48 24 20 N | 114 17 58 W |
| Aronow Park | Park | 1003 | Toole | 48 30 48 N | 111 51 33 W |
| Atlantic Cable Quartz Lode Historical Marker | Park | 1864 | Deer Lodge | 46 10 08 N | 113 09 40 W |
| Babe Ruth Field | Park | 627 | Dawson | 47 05 41 N | 104 42 53 W |
| Bad Rock Canyon Historical Marker | Park | 927 | Flathead | 48 22 20 N | 114 08 13 W |
| Baker City Park | Park | 898 | Fallon | 46 22 00 N | 104 16 50 W |
| Baker Park | Park | 920 | Flathead | 48 24 25 N | 114 20 13 W |
| Bannack Historical Marker | Park | 1604 | Beaverhead | 45 07 32 N | 112 44 49 W |
| Bannack State Park | Park | 1761 | Beaverhead | 45 09 33 N | 112 59 55 W |
| Barney Park | Park | 1203 | Lewis and Clark | 46 36 27 N | 112 02 53 W |
| Barretts Station Park | Park | 1599 | Beaverhead | 45 07 50 N | 112 44 25 W |
| Batavia Waterfowl Production Area | Park | 958 | Flathead | 48 10 22 N | 114 24 39 W |
| Batch Fields | Park | 1201 | Lewis and Clark | 46 36 30 N | 112 02 23 W |
| Battle of Bears Paw Historical Marker | Park | 735 | Blaine | 48 35 45 N | 109 14 27 W |
| Beall Park | Park | 1463 | Gallatin | 45 40 60 N | 111 02 06 W |
| Bear Creek Recreation Area | Park | 695 | McCone | 47 56 56 N | 106 18 01 W |
| Bear Creek Wildlife Management Area | Park | 1999 | Madison | 45 10 57 N | 111 33 49 W |
| Bear Paw Battlefield - Nez Perce National Historical Park | Park | 912 | Blaine | 48 22 38 N | 109 12 38 W |
| Beardance Picnic Area | Park | 938 | Lake | 47 57 26 N | 114 02 02 W |
| Bearmouth Historical Marker | Park | 1157 | Granite | 46 42 10 N | 113 20 31 W |
| Beartooth Game Management Area | Park | 1625 | Lewis and Clark | 46 57 30 N | 111 50 03 W |
| Beartooth Nature Center | Park | 1678 | Carbon | 45 11 48 N | 109 14 47 W |
| Beattie Park | Park | 1206 | Lewis and Clark | 46 35 60 N | 112 00 59 W |
| Beaver Creek Park | Park | 1110 | Hill | 48 18 39 N | 109 39 27 W |
| Beaverhead Rock Historical Marker | Park | 1475 | Madison | 45 22 46 N | 112 27 18 W |
| Beaverhead Rock State Park | Park | 1480 | Madison | 45 22 60 N | 112 27 33 W |
| Beavertail Hill State Park | Park | 1107 | Missoula | 46 43 12 N | 113 34 48 W |
| Begg Park | Park | 891 | Flathead | 48 10 47 N | 114 18 43 W |
| Bel View Park | Park | 1038 | Cascade | 47 28 24 N | 111 20 30 W |
| Ben Larson Park | Park | 751 | McCone | 47 24 43 N | 105 35 32 W |
| Ben Williams Park | Park | 892 | Flathead | 48 00 50 N | 114 13 33 W |
| Bender Park | Park | 721 | Custer | 46 25 18 N | 105 50 32 W |
| Benton Avenue Cemetery Park | Park | 1211 | Lewis and Clark | 46 36 15 N | 112 02 34 W |
| Benton Lake National Wildlife Refuge | Park | 1103 | Cascade | 47 40 15 N | 111 19 40 W |
| Berkeley Pit Viewing Stand | Park | 1710 | Silver Bow | 46 00 43 N | 112 31 10 W |
| Berne Memorial Park | Park | 930 | Flathead | 48 23 07 N | 114 06 16 W |
| Bess Reed Park | Park | 974 | Missoula | 46 52 03 N | 113 59 37 W |
| Big Blackfoot Railroad Historical Marker | Park | 1165 | Missoula | 46 59 58 N | 113 22 48 W |
| Big Blackfoot Railway Historical Marker | Park | 1029 | Missoula | 46 53 50 N | 113 45 48 W |
| Big Hole National Battlefield | Park | 1885 | Beaverhead | 45 38 51 N | 113 39 03 W |
| Big Hole River Historical Marker (historical) | Park | 1607 | Silver Bow | 45 39 16 N | 112 40 28 W |
| Big Horn County Softball Fields | Park | 885 | Big Horn | 45 43 33 N | 107 36 12 W |
| Big Muddy Park | Park | 681 | Valley | 48 00 11 N | 106 27 20 W |
| Big Sky Country Historical Marker | Park | 945 | Powder River | 45 25 20 N | 105 23 43 W |
| Big Timber Park | Park | 995 | Rosebud | 45 53 55 N | 106 37 28 W |
| Bighorn Canyon National Recreation Area | Park | 1296 | Big Horn | 45 17 60 N | 107 57 02 W |
| Billie Springer Memorial Park | Park | 1593 | Ravalli | 45 55 05 N | 113 43 43 W |
| Bishop Park | Park | 2209 | Park | 45 48 11 N | 110 46 20 W |
| Bitterroot State Wildlife Management Area Calf Creek Segment | Park | 1500 | Ravalli | 46 17 10 N | 113 58 48 W |
| Black Coulee National Wildlife Refuge | Park | 889 | Blaine | 48 41 25 N | 108 24 55 W |
| Black Eagle Falls Historical Marker | Park | 1034 | Cascade | 47 31 04 N | 111 15 48 W |
| Black Sandy State Park | Park | 1185 | Lewis and Clark | 46 45 25 N | 111 53 23 W |
| Blackfeet and Buffalo Historical Marker | Park | 1226 | Teton | 47 51 40 N | 112 16 48 W |
| Blackfeet Nation Historical Marker | Park | 1347 | Glacier | 48 32 29 N | 113 00 18 W |
| Blackleaf Wildlife Management Area | Park | 1508 | Teton | 47 59 11 N | 112 39 16 W |
| Blodgett Park | Park | 1063 | Ravalli | 46 17 40 N | 114 09 32 W |
| Bloomingdale Park | Park | 1019 | Cascade | 47 30 57 N | 111 20 23 W |
| Blue Ribbon Park | Park | 1171 | Broadwater | 46 19 09 N | 111 31 15 W |
| Boettcher Park | Park | 883 | Lake | 47 41 54 N | 114 07 56 W |
| Bogert Park | Park | 1472 | Gallatin | 45 40 35 N | 111 01 53 W |
| Bonanza or Bozeman Trail Historical Marker | Park | 1246 | Sweet Grass | 45 49 43 N | 109 58 08 W |
| Bone Trail Recreation Area | Park | 692 | Valley | 47 41 24 N | 107 10 37 W |
| Bonner Park | Park | 979 | Missoula | 46 51 19 N | 113 59 36 W |
| Borge Park | Park | 638 | Roosevelt | 48 06 10 N | 105 38 51 W |
| Boston Heights Park | Park | 1062 | Cascade | 47 30 20 N | 111 14 58 W |
| Boulder River Bridge Historical Marker | Park | 1474 | Jefferson | 46 12 40 N | 112 05 28 W |
| Bowdoin National Wildlife Refuge | Park | 675 | Phillips | 48 23 60 N | 107 39 02 W |